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LTC3621EDCB-3.3#TRPBF - Analog Devices

Description: 17V, 1A Synchronous Step-Down Regulator with 3.5μA Quiescent Current

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LTC3621EDCB-3.3#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3621EDCB-3.3#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DCB Package 6-Lead Plastic DFN (2mm × 3mm)_2025
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LTC3621EDCB-3.3#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DCB Package 6-Lead Plastic DFN (2mm × 3mm)_2025
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LTC3621EDCB-3.3#TRPBF Details

  • Manufacturer Part Number:

    LTC3621EDCB-3.3#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-6

  • Pin Count:

    6

  • Manufacturer Package Code:

    05-08-1715

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE SKIP MODE

  • Input Voltage-Max:

    17 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-N6

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    3.35 V

  • Output Voltage-Min:

    3.25 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HWSON

  • Package Equivalence Code:

    SOLCC6,.12,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY VERY THIN PROFILE

  • Packing Method:

    TR

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1160 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Width:

    2 mm

LTC3621EDCB-3.3#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3621EDCB-3.3#TRPBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and inductance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure the LTC3621EDCB-3.3#TRPBF operates within its specified temperature range, provide adequate heat sinking, avoid overheating, and keep the device away from high-temperature sources. The device's thermal pad should be soldered to a solid copper plane on the PCB to dissipate heat effectively.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be placed close to the VIN pin and have a voltage rating of at least 6.3V.
  • To troubleshoot issues with the LTC3621EDCB-3.3#TRPBF, check the input voltage, output voltage, and output current using an oscilloscope or a multimeter. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, and ensure that the device is properly soldered to the PCB.
  • Yes, the LTC3621EDCB-3.3#TRPBF is suitable for high-reliability and automotive applications. It meets the requirements of the AEC-Q100 standard for automotive applications and has a high MTBF (mean time between failures) rating. However, additional testing and validation may be required to ensure the device meets the specific requirements of the application.

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LTC3621EDCB-3.3#TRPBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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